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Sr System Administrator/ Sr Linux Administrator Resume

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Columbus, OH


  • 8 years of IT experience in Unix System Administration with extensive experience in Solaris, Confidential - UX, Red Hat Linux, CentOS, SUSE, Ubuntu, AIX, and Windows Administration.
  • Installing, upgrading, and configuring SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart Servers.
  • Extensive experience in installing, configuring, troubleshooting, maintaining, implementation and support on Red Hat Linux, CentOS, SUSE, and Ubuntu.
  • Experience in supporting and maintaining environments with different middleware applications like JBoss, iPlanet, WebLogic, Tomcat & Sun one server.
  • Experience on working with VMware ESX server, vSphere, VMware Workstation, Virtual Box, Oracle Virtual Machine (OVM) and Red Hat KVM.
  • Experience working with Vblock Infrastructure to perform Virtualization using VMWare ESX, vSphere on RHEL servers.
  • Experience in performing P2V, V2V migrations using VMware Converter.
  • Experience in Migrations at host level using different software likes EMC Open Migrator, Red Hat LVM and VERITAS Volume Manager.
  • Expertise in disk, file system management, Volume Management using VERITAS volume manager, Solaris Volume Manager, VERITAS File System, General Parallel File System (GPFS).
  • Supported high availability, data replication, and failover using Veritas Cluster Server in SAN environment.
  • Experience in configuring Raid-0, Raid-1, Raid-5, ISCSI, IDE, SATA, and creating Logical Volumes, Logical Volume Groups and supported them.
  • Installation, patching, upgrading, tuning, configuring and troubleshooting Solaris zones and has working noledge of ZFS and LDOM’s.
  • Experience with BMC Remedy, ITSM, Workflow, Confidential Quality Center and JIRA systems.
  • Experience with Configuration and Maintenance of Automation tools like Puppet, Blade Logic, Ansible and Chef.
  • Experience with Jenkins, Maven, Ant, SVN and GIT.
  • Experience in Deployment and supporting the systems hosted OpenStack and Confidential Helion
  • Experience working with AWS Cloud computing and involved in creating AWS instances and deployed Linux and Ubuntu on AWS environment.
  • Experience in Bash, Perl, Python and Ruby Scripting.
  • Experience in TCP/IP network setup and troubleshooting.


Operating Systems: Sun Solaris, SUSE, Ubuntu, Red Hat Linux, ES3/4, Confidential -UX, SUSE, VMWARE ESX, Windows XP/NT/ 2000/2003/2008/2012

Software: VERITAS Volume Manager, VERITAS File System, VERITAS Cluster Server 4.x, Solaris Volume Manager, General Parallel File System (GPFS)

Server Management: SUN Solstice Disk & Admin Suites, VxVM, SMC, Confidential Open View, Network Node Manager, Compaq Insight Server Manager & Intel LAN Desk Manager, Puppet, Chef, Nagios, Zabbix, vRealize Automation, BMC Patrol and Predict.

DevOps Tools: Maven, Jenkins, SVN, ANT, GIT

Cloud: GCE, AWS, Client Server Automation HPSA and OpenStack

Languages: C, C++, XML, PHP, PL/SQL, Shell Scripting - ksh, Bash and csh, Perl, Ruby and Python

Database servers: Oracle, MySQL, MongoDB, PostgreSQL, Cassandra and Sybase on Solaris and Red Hat Linux and Win NT/2000, MySQL 7, 2000, 2012


Application Servers: Web Sphere Apache, JBoss, Tomcat, Web Logic, WebLogic, Node.js

File System: UFS, VxFS, ext2, ext3, NFS, ZFS, JFS, GPFS

Storage: EMC Symmetric, Clarion, Sun Storage D1000, A5000/5200, NetApp

Virtualization: VM Ware, Zones, Containers, LDOM’s, LPAR’s

Hardware: Sun Fire (280R/ 6800/4800/3800/ E10K, 15K, 25K Ultra-5/10, Enterprise 6500/5000/450/420 R, T5440, T2000, T5120, M4000, M5000, M6000, IBM RS 6000, pSeries, Power edge 2850/1850, Confidential /9000K, IBM RS/6000, rp3440, rp5470, rx3660, rx6600, Confidential C7000 and C 6000 Blade Enclosures


Sr System Administrator/ Sr Linux Administrator

Confidential, Columbus, OH


  • Extensively worked on Installation and configuration of Red Hat Linux, CentOS, Solaris, SUSE, and Windows 03/08/12 Servers on large, distributed environment.
  • Worked on vblock Infrastructure to perform Virtualization using VMWare ESX, vSphere on RHEL/SUSE servers.
  • Worked on vRealize Automation which accelerates the deployment and management of applications and compute services.
  • Worked on Installation of VMware ESX and creating Virtual Machines from scratch and from templates and Assisted in troubleshooting applications for Load balancing.
  • Deployed and Configured Automation tools like Puppet, Blade logic, Ansible and Chef.
  • Worked on configuring Puppet master servers and installing Puppet client software on Linux servers.
  • Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
  • Worked on Installation and Configuration of Chef Server and Chef-client
  • Deployed and maintained infrastructure using Chef cookbooks and recipes
  • Configured yum repository server using Chef on RHEL in VMware environment.
  • Experience working with Client Server Automation HPSA.
  • Troubleshooting and performance tuning issues with applications like Oracle, MySQL, WebLogic 10, MQSeries 6.x, Condor apps & Java Applications on operating systems which included Solaris and RHEL.
  • Worked on Shell & Python scripting.
  • Supported the systems hosted on OpenStack, Helion.
  • Deployed and maintained the cloud-based application environments running on OpenStack
  • Worked on Helion Nova compute and controller services.
  • Worked on Keystone identity service, Swift object storage service, Glance image service, Cinder block storage service and Networking service
  • Troubleshooting and log analysis for OpenStack, Helion deployments.
  • Worked on tools like TCPDUMP, NMAP, analyzing TCP, SSL Handshakes
  • Configured Various Network services such as LDAP, NFS, NIS, DNS, NIS, NIS+ and Send mail in Red Hat Linux, SUSE and Solaris servers.
  • Experience managing NFS shares and file systems from NetApp filers and EMC NAS devices.

DevOps / Linux Admin

Confidential, New York, NY


  • Administration of RHEL and Solaris - which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
  • Launching and configuring of Amazon EC2 Cloud Servers using AMI's (Linux/Ubuntu) and configuring the servers for specified applications
  • Installed and Configured Oracle ASR on total Solaris 10 Environment.
  • Actively involved in architecting the puppet infrastructure to manage more than 4000 servers.
  • Written multiple manifests and also customized facts for efficient management of the puppet clients
  • Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client and migrating servers across ESX hosts.
  • Jumpstart Solaris servers, custom configure, install packages, patches, harden. Creating LDOMs, installing Solaris, creating volumes & installing packages.
  • Created Zettabyte file system (ZFS) in Solaris 10. Creating Zones, Zpool and adding resources like network & file systems.
  • Creating LDOMs, installing Solaris, creating volumes, installing packages.
  • Solaris Live Upgrade from Solaris 8, 9 and old update from Solaris 10 newer update version across the whole environment.
  • Established continuous integration (CI) practices and standards.
  • Set up Jenkins server and build jobs to provide continuous automated builds based on polling the Git source control system during the day and periodic scheduled builds overnight to support development needs using Jenkins, Git and JUnit.
  • Automation of configuration and management through Puppet.
  • Lockdown the local accounts to secure the environment using NIS.
  • Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, and testing.
  • Troubleshooting tickets, which includes storage, network, system related issues and logging in JIRA and BMC Remedy.

DevOps/ Linux Admin

Confidential - New Castle, DE


  • Installing and upgrading Red Hat 5.x, CentOS 5.x, SUSE and Solaris 9/10 on Various Confidential and Dell Hardware.
  • Creating sparse root and whole root zones and administered the zones for Web, Application and Database servers and worked on SMF on Solaris 10.
  • Implemented and administered VMware ESX for running the Windows, Red Hat Linux and Ubuntu Servers on development and test servers.
  • Involved in managing SAN disks like EMC Clariions and VMAX using EMC PowerPath and Volume Management software.
  • Worked on configuring Puppet master servers and installing Puppet client on Linux servers.
  • Involved in automation by using Puppet and Chef master running on RHEL with around 100 clients
  • Wrote Shell and Python scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Linux Administrator

Confidential, Brooklyn, NY


  • Responsible for Remote Linux Support with more than 600 servers.
  • Provided 24x7 supports on shift rotation basis.
  • Configured Red Hat Linux servers for production, staging and test environments running Database and Middleware applications.
  • Installation and configuration of VM’s with Red Hat LINUX servers running on Confidential & Dell HW.
  • Installed and configured SSH server on Red Hat/CentOS Linux environments.
  • Installation and upgrade of Open SSH 4.3p1 on Red Hat Linux, Open SSH 4.1p1 on Confidential & Dell servers.
  • Used Python programming in Linux platform to design the front-end portion of the plug-in.
  • Worked on Red Hat and performed daily tasks using CRON scheduler and automated it.
  • Configured Raid with the halp of lead and created a LUN and Logical volumes from that.
  • Used Debian distribution of Linux called Ubuntu in my personal computer and used python.
  • Responsible for maintaining and configuring NFS, DNS, DHCP and iSCSI servers.
  • Creating application and database file systems using volume managers like LVM and VERITAS.

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